The Free Radical Theory of Aging

Uncontacted is a, it doesn't mean literally no one has ever talked to them. It just means they're generally left alone. But still we don't leave them alone because sometimes anthropologists will go in there and spend time with them. And so some people are like, well, hunter gatherers typically don't have the same lifespans that we do. So it's probably aging. It's that free radical theory of aging. That's what causes inflammation. We have the same brain that took to CAD when they found uncontacted tribes.